San Mateo, California Population 2022

107,351
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San Mateo is a city located in San Mateo County California. With a 2020 population of 107,351, it is the 70th largest city in California and the 316th largest city in the United States. San Mateo is currently growing at a rate of 0.79% annually and its population has increased by 1.60% since the most recent census, which recorded a population of 105,661 in 2020. Spanning over 16 miles, San Mateo has a population density of 8,820 people per square mile.

The average household income in San Mateo is $165,420 with a poverty rate of 7.85%. The median rental costs in recent years comes to $2,658 per month, and the median house value is $1.19 Mn. The median age in San Mateo is 38.2 years, 36.5 years for males, and 40 years for females.

San Mateo Demographics

According to the most recent ACS, the racial composition of San Mateowas:

  • White: 50.17%
  • Asian: 24.35%
  • Other race: 12.18%
  • Two or more races: 8.18%
  • Native Hawaiian or Pacific Islander: 2.33%
  • Black or African American: 2.20%
  • Native American: 0.59%
The current population of San Mateo, California is 107,351 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 105,661.

San Mateo, California Population 2022

Population by Race

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San Mateo Population by Race

San Mateo Population Pyramid 2022

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San Mateo Median Age

37.8


Total

36.2


Male

39.9


Female

San Mateo Adults

There are 82,262 adults, (16,380 of whom are seniors) in San Mateo.

San Mateo Age Dependency

Age Dependency Ratio

24.9

Old Age Dependency Ratio

32.4

Child Dependency Ratio

San Mateo Sex Ratio

Female

51,796

49.99%

Male

51,823

50.01%

San Mateo Population by Age

San Mateo Renter vs Owner Occupied by Household Type

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San Mateo Household Types

52.7%

Rate of Home Ownership

San Mateo Households and Families

3.22

Average Family Size

2.61

Average Household Size

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San Mateo Households by Type

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San Mateo Educational Attainment by Sex (over 25)

San Mateo Educational Attainment by Race

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The highest rate of high school graduation is among white people with a rate of 97.73%.

The highest rate of bachelors degrees is among asian people with a rate of 73.66%.

San Mateo Educational Attainment by Race

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$74,139

Average Earnings

$87,078

Average Male

$63,967

Average Female

San Mateo Earnings by Educational Attainment

San Mateo Language by Age

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San Mateo Language

57.38% of San Mateo residents speak only English, while 42.62% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 18.19% of the population.

San Mateo Language

San Mateo Poverty by Race

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7.85%

Overall Poverty Rate

7.48%

Male Poverty Rate

8.21%

Female Poverty Rate

Poverty in San Mateo

The race most likely to be in poverty in San Mateo is Islander, with 18.37% below the poverty level.

The race least likely to be in poverty in San Mateo is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.35%. Among those working part-time, it was 8.65%, and for those that did not work, the poverty rate was 18.60%.

San Mateo Poverty

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San Mateo Poverty Rate by Education

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San Mateo Poverty Rate by Employment Status and Sex

San Mateo Income by Household Type

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Income by Household Type

San Mateo Marital Status

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Marriage Rates

51.6%

Overall Marriage Rate

52.9%

Male Marriage Rate

50.3%

Female Marriage Rate

San Mateo Married by Age and Sex

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San Mateo Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

San Mateo Marital Status by Race

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San Mateo Marital Status

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2,633

Number of Veterans

Male Veterans

Female Veterans

San Mateo Veterans by War

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San Mateo Veterans by Age

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San Mateo Veterans by Race

San Mateo Veterans by Education

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5.31%

Veteran Poverty Rate

32.54%

Veteran Disability Rate

San Mateo Veterans by Education

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70.5%

Labor Force Participation

67.3%

Employment Rate

4.5%

Unemployment Rate

San Mateo Employment by Age

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San Mateo Employment by Race

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San Mateo Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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47.15%

Born in San Mateo

65.04%

Native Born

34.96%

Foreign Born

17.49%

Non Citizen

17.47%

Naturalized

Place of Birth

65.04% of San Mateo residents were born in the United States, with 47.15% having been born in California. 17.49% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

San Mateo Place of Birth

Note: 2021 and 2022 data is projected

San Mateo Population by Year